[Wien] Charge leakage too large

[Chithra M Mathew]

Hi
When conducting the SCF cycle for ZnO, I'm facing a charge leakage error.
How to solve this.

 LAPW0 END
 LAPW1 END
 LAPW2 END
 CORE  END
ERROR: NEC01 charge leakage too large



ATOM  1  Zn         ATOM  2  O
 RMT(  1)=2.20000 AND RMT(  2)=1.20000
 SUMS TO 3.40000  LT.  NN-DIST= 3.72997

    ATOM  2  O          ATOM  1  Zn
 RMT(  2)=1.20000 AND RMT(  1)=2.20000
 SUMS TO 3.40000  LT.  NN-DIST= 3.72997
NN ENDS
>   inputfiles for lapw1c/2c prepared, no inversion present	(14:04:46)
 next is kgen
          12  symmetry operations without inversion
 inversion added (non-spinpolarized non-so calculation)
  NUMBER OF K-POINTS IN WHOLE CELL: (0 allows to specify 3 divisions of G)
 length of reciprocal lattice vectors:   1.182   1.182   0.639  12.274
 12.274   6.638
          76  k-points generated, ndiv=          12          12           6
KGEN ENDS
 next is dstart
>   dstart -c -p > & .mist	(14:04:46) running dstart in single mode
 C  T F
DSTART ENDS
0.747u 0.014s 0:00.26 288.4%	0+0k 0+1296io 0pf+0w

-----> new ZnO.in0 generated
  init_lapw finished ok
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